Rana huanrenensis Fei, Ye & Huang, 1990

Nomenclature and Taxonomic Placement

The Huanren frog, scientifically named Rana huanrenensis Fei, Ye & Huang, 1990, is a species of true frog native to East Asia.

Initial and Updated Distribution

It was originally thought to be endemic only to Huanren County, Liaoning, China, but it was later also discovered in South Korea; it is additionally presumed to occur in North Korea.

Relationship to Related Species

This species is closely related to Dybowski's frog, Rana dybowskii, and all specimens collected before 1991 were incorrectly identified as Dybowski's frog.

Distinguishing Morphological Feature

A key distinguishing feature of the Huanren frog is its lack of a vocal sac.

Habitat

Huanren frogs live in and around rivers and streams located in hilly terrain.

Altitudinal Range

The species' type locality in Huanren sits 520 meters (1,710 feet) above sea level, and all specimens found in Korea have only been recorded at altitudes over 500 meters (1,600 feet).

South Korean Collection Localities

In South Korea, specimens have been collected from the provinces of Gangwon-do, Gyeongsangbuk-do, and eastern Gyeonggi-do.

Reproductive Egg Laying

This species lays small, clustered egg clutches that are deposited on submerged rocks in the streams it prefers.